package com.szml.interceptor;

import com.szml.context.BaseContext;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //判断是否拦截,无用户拦截
        if(BaseContext.getLoginVO()==null)
        {
            response.setStatus(401);
            return false;
        }
        //有用户放行
        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        BaseContext.removeLoginVO();
    }
}
